Restore packaged Hermes Desktop at 2026.8.31-2

Revert the native installer and updater packaging introduced by #325. Keep the prebuilt desktop and existing launcher, updating only the release tag, commit and archive checksum from the previous recipe.

.github/workflows/test.yml

@@ -16,9 +16,6 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Test Hermes installation and launch
-        run: python3 test/hermes-desktop-test.py
-
       # An Arch container for vercmp: version ordering has to be decided by
       # the same comparator pacman uses on users' machines.
       - name: Run self-tests